How do I get out of this town

Hint 1 of 9:

You can't get your plane turned around, can you?

Hint 2 of 9:

Sardar is a caravan driver, so why don't you talk to him?

Hint 3 of 9:

Try saying this:

Hint 4 of 9:

1) How much for 3 passengers?

Hint 5 of 9:

2) Can we leave tomorrow?

Hint 6 of 9:

But you can't leave now.  So you'll need to get your plane running.

Hint 7 of 9:

You need fuel.